Start factorise

app/src/androidTest/java/com/keepassdroid/tests/PwEntryTestV3.java

@@ -42,7 +42,7 @@ public class PwEntryTestV3 extends AndroidTestCase {
 	}
 	
 	public void testName() {
-		assertTrue("Name was " + mPE.title, mPE.title.equals("Amazon"));
+		assertTrue("Name was " + mPE.getTitle(), mPE.getTitle().equals("Amazon"));
 	}
 	
 	public void testPassword() throws UnsupportedEncodingException {
@@ -54,7 +54,7 @@ public class PwEntryTestV3 extends AndroidTestCase {
 	
 	public void testCreation() {
 		Calendar cal = Calendar.getInstance();
-		cal.setTime(mPE.tCreation.getJDate());
+		cal.setTime(mPE.getCreationTime().getDate());
 		
 		assertEquals("Incorrect year.", cal.get(Calendar.YEAR), 2009);
 		assertEquals("Incorrect month.", cal.get(Calendar.MONTH), 3);

app/src/androidTest/java/com/keepassdroid/tests/PwEntryTestV4.java

@@ -52,7 +52,7 @@ public class PwEntryTestV4 extends TestCase {
 		entry.parent = new PwGroupV4();
 		entry.addField("key2", new ProtectedString(false, "value2"));
 		entry.url = "http://localhost";
-		entry.uuid = UUID.randomUUID();
+		entry.setUUID(UUID.randomUUID());
 
 		PwEntryV4 target = new PwEntryV4();
 		target.assign(entry);

app/src/androidTest/java/com/keepassdroid/tests/PwGroupTest.java

@@ -38,7 +38,7 @@ public class PwGroupTest extends AndroidTestCase {
 	}
 	
 	public void testGroupName() {
-		 assertTrue("Name was " + mPG.name, mPG.name.equals("Internet"));
+		 assertTrue("Name was " + mPG.getName(), mPG.getName().equals("Internet"));
 	}
 }
 

app/src/androidTest/java/com/keepassdroid/tests/database/SprEngineTest.java

@@ -30,12 +30,12 @@ import biz.source_code.base64Coder.Base64Coder;
 import com.keepassdroid.database.PwDatabaseV4;
 import com.keepassdroid.database.PwEntryV4;
 import com.keepassdroid.database.load.ImporterV4;
-import com.keepassdroid.utils.SprEngine;
+import com.keepassdroid.utils.SprEngineV4;
 import com.keepassdroid.utils.Types;
 
 public class SprEngineTest extends AndroidTestCase {
 	private PwDatabaseV4 db;
-	private SprEngine spr;
+	private SprEngineV4 spr;
 	
 	@Override
 	protected void setUp() throws Exception {
@@ -51,7 +51,7 @@ public class SprEngineTest extends AndroidTestCase {
 		
 		is.close();
 		
-		spr = SprEngine.getInstance(db);
+		spr = new SprEngineV4();
 	}
 	
 	private final String REF = "{REF:P@I:2B1D56590D961F48A8CE8C392CE6CD35}";

app/src/main/java/com/keepassdroid/activities/EntryActivity.java

@@ -146,6 +146,8 @@ public class EntryActivity extends LockingHideActivity {
         fillData();
         invalidateOptionsMenu();
 
+        // TODO Start decode
+
         // If notifications enabled in settings
         // Don't if application timeout
         if (firstLaunchOfActivity && !App.isShutdown() && isClipboardNotificationsEnable(getApplicationContext())) {
@@ -177,7 +179,7 @@ public class EntryActivity extends LockingHideActivity {
                 if (mEntry.allowExtraFields()) {
                     try {
                         int anonymousFieldNumber = 0;
-                        for (Map.Entry<String, String> entry : mEntry.getExtraFields(App.getDB().pm).entrySet()) {
+                        for (Map.Entry<String, String> entry : mEntry.getExtraFields().entrySet()) {
                             notificationFields.add(
                                     new NotificationField(
                                             NotificationField.NotificationFieldId.getAnonymousFieldId()[anonymousFieldNumber],
@@ -196,6 +198,7 @@ public class EntryActivity extends LockingHideActivity {
 
                 startService(intent);
             }
+            // TODO end decode
         }
         firstLaunchOfActivity = false;
     }
@@ -209,34 +212,36 @@ public class EntryActivity extends LockingHideActivity {
 		Database db = App.getDB();
 		PwDatabase pm = db.pm;
 
+		mEntry.startToDecodeReference(pm);
+
 		// Assign title
         populateTitle(db.drawFactory.getIconDrawable(getResources(), mEntry.getIcon()),
-                mEntry.getTitle(true, pm));
+                mEntry.getTitle());
 
         // Assign basic fields
-        entryContentsView.assignUserName(mEntry.getUsername(true, pm));
+        entryContentsView.assignUserName(mEntry.getUsername());
         entryContentsView.assignUserNameCopyListener(view ->
-                clipboardHelper.timeoutCopyToClipboard(mEntry.getUsername(true, App.getDB().pm),
+                clipboardHelper.timeoutCopyToClipboard(mEntry.getUsername(),
                 getString(R.string.copy_field, getString(R.string.entry_user_name)))
         );
 
-		entryContentsView.assignPassword(mEntry.getPassword(true, pm));
+		entryContentsView.assignPassword(mEntry.getPassword());
 		if (PreferencesUtil.allowCopyPassword(this)) {
             entryContentsView.assignPasswordCopyListener(view ->
-                    clipboardHelper.timeoutCopyToClipboard(mEntry.getPassword(true, App.getDB().pm),
+                    clipboardHelper.timeoutCopyToClipboard(mEntry.getPassword(),
                             getString(R.string.copy_field, getString(R.string.entry_password)))
             );
         }
 
-        entryContentsView.assignURL(mEntry.getUrl(true, pm));
+        entryContentsView.assignURL(mEntry.getUrl());
 
         entryContentsView.setHiddenPasswordStyle(!mShowPassword);
-        entryContentsView.assignComment(mEntry.getNotes(true, pm));
+        entryContentsView.assignComment(mEntry.getNotes());
 
         // Assign custom fields
 		if (mEntry.allowExtraFields()) {
 			entryContentsView.clearExtraFields();
-			for (Map.Entry<String, String> field : mEntry.getExtraFields(pm).entrySet()) {
+			for (Map.Entry<String, String> field : mEntry.getExtraFields().entrySet()) {
                 final String label = field.getKey();
                 final String value = field.getValue();
 				entryContentsView.addExtraField(label, value, view ->
@@ -245,15 +250,17 @@ public class EntryActivity extends LockingHideActivity {
 		}
 
         // Assign dates
-        entryContentsView.assignCreationDate(mEntry.getCreationTime());
+        entryContentsView.assignCreationDate(mEntry.getCreationTime().getDate());
-        entryContentsView.assignModificationDate(mEntry.getLastModificationTime());
+        entryContentsView.assignModificationDate(mEntry.getLastModificationTime().getDate());
-        entryContentsView.assignLastAccessDate(mEntry.getLastAccessTime());
+        entryContentsView.assignLastAccessDate(mEntry.getLastAccessTime().getDate());
-		Date expires = mEntry.getExpiryTime();
+		Date expires = mEntry.getExpiryTime().getDate();
 		if ( mEntry.expires() ) {
 			entryContentsView.assignExpiresDate(expires);
 		} else {
             entryContentsView.assignExpiresDate(getString(R.string.never));
 		}
+
+        mEntry.endToDecodeReference(pm);
 	}
 
 	@Override

app/src/main/java/com/keepassdroid/activities/EntryEditActivity.java

@@ -39,6 +39,7 @@ import com.keepassdroid.app.App;
 import com.keepassdroid.database.Database;
 import com.keepassdroid.database.PwDatabase;
 import com.keepassdroid.database.PwDatabaseV4;
+import com.keepassdroid.database.PwDate;
 import com.keepassdroid.database.PwEntry;
 import com.keepassdroid.database.PwEntryV4;
 import com.keepassdroid.database.PwGroup;
@@ -254,12 +255,14 @@ public class EntryEditActivity extends LockingHideActivity
 
         PwEntry newEntry = mEntry.clone(true);
 
-        Date now = Calendar.getInstance().getTime();
+        newEntry.setLastAccessTime(new PwDate());
-        newEntry.setLastAccessTime(now);
+        newEntry.setLastModificationTime(new PwDate());
-        newEntry.setLastModificationTime(now);
 
         PwDatabase db = App.getDB().pm;
-        newEntry.setTitle(entryTitleView.getText().toString(), db);
+
+        newEntry.startToDecodeReference(db);
+
+        newEntry.setTitle(entryTitleView.getText().toString());
         if(mSelectedIconID != -1)
             // or TODO icon factory newEntry.setIcon(App.getDB().pm.iconFactory.getIcon(mSelectedIconID));
             newEntry.setIcon(new PwIconStandard(mSelectedIconID));
@@ -272,10 +275,10 @@ public class EntryEditActivity extends LockingHideActivity
                 newEntry.setIcon(mEntry.icon);
             }
         }
-        newEntry.setUrl(entryUrlView.getText().toString(), db);
+        newEntry.setUrl(entryUrlView.getText().toString());
-        newEntry.setUsername(entryUserNameView.getText().toString(), db);
+        newEntry.setUsername(entryUserNameView.getText().toString());
-        newEntry.setNotes(entryCommentView.getText().toString(), db);
+        newEntry.setNotes(entryCommentView.getText().toString());
-        newEntry.setPassword(entryPasswordView.getText().toString(), db);
+        newEntry.setPassword(entryPasswordView.getText().toString());
 
         if (newEntry.allowExtraFields()) {
             // Delete all new standard strings
@@ -290,6 +293,8 @@ public class EntryEditActivity extends LockingHideActivity
             }
         }
 
+        newEntry.endToDecodeReference(db);
+
         return newEntry;
 	}
 

app/src/main/java/com/keepassdroid/database/EntrySearchHandler.java

@@ -52,7 +52,7 @@ public abstract class EntrySearchHandler extends EntryHandler<PwEntry> {
 			return true;
 		}
 		
-		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime())) {
+		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime().getDate())) {
 			return true;
 		}
 		

app/src/main/java/com/keepassdroid/database/EntrySearchHandlerAll.java

@@ -39,7 +39,7 @@ public class EntrySearchHandlerAll extends EntryHandler<PwEntry> {
 			return true;
 		}
 		
-		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime())) {
+		if (sp.excludeExpired && entry.expires() && now.after(entry.getExpiryTime().getDate())) {
 			return true;
 		}
 		

app/src/main/java/com/keepassdroid/database/EntrySearchHandlerV4.java

@@ -37,7 +37,7 @@ public class EntrySearchHandlerV4 extends EntrySearchHandler {
 	protected boolean searchID(PwEntry e) {
 		PwEntryV4 entry = (PwEntryV4) e;
 		if (sp.searchInUUIDs) {
-			String hex = UuidUtil.toHexString(entry.uuid);
+			String hex = UuidUtil.toHexString(entry.getUUID());
 			return StrUtil.indexOfIgnoreCase(hex, sp.searchString, Locale.ENGLISH) >= 0;
 		}
 		

app/src/main/java/com/keepassdroid/database/ITimeLogger.java

@@ -19,20 +19,18 @@
  */
 package com.keepassdroid.database;
 
-import java.util.Date;
-
 public interface ITimeLogger {
-	Date getLastModificationTime();
+	PwDate getLastModificationTime();
-	void setLastModificationTime(Date date);
+	void setLastModificationTime(PwDate date);
 
-	Date getCreationTime();
+	PwDate getCreationTime();
-	void setCreationTime(Date date);
+	void setCreationTime(PwDate date);
 
-	Date getLastAccessTime();
+	PwDate getLastAccessTime();
-	void setLastAccessTime(Date date);
+	void setLastAccessTime(PwDate date);
 
-	Date getExpiryTime();
+	PwDate getExpiryTime();
-	void setExpiryTime(Date date);
+	void setExpiryTime(PwDate date);
 	
 	boolean expires();
 	void setExpires(boolean exp);
@@ -40,7 +38,7 @@ public interface ITimeLogger {
 	long getUsageCount();
 	void setUsageCount(long count);
 
-	Date getLocationChanged();
+	PwDate getLocationChanged();
-	void setLocationChanged(Date date);
+	void setLocationChanged(PwDate date);
 
 }

app/src/main/java/com/keepassdroid/database/PwDatabase.java

@@ -317,8 +317,8 @@ public abstract class PwDatabase {
 
     public void populateGlobals(PwGroup currentGroup) {
 
-        List<PwGroup> childGroups = currentGroup.childGroups;
+        List<PwGroup> childGroups = currentGroup.getChildGroups();
-        List<PwEntry> childEntries = currentGroup.childEntries;
+        List<PwEntry> childEntries = currentGroup.getChildEntries();
 
         for (int i = 0; i < childEntries.size(); i++ ) {
             PwEntry cur = childEntries.get(i);

app/src/main/java/com/keepassdroid/database/PwDatabaseV3.java

@@ -105,7 +105,7 @@ public class PwDatabaseV3 extends PwDatabase {
 		List<PwGroup> kids = new ArrayList<PwGroup>();
 		for (int i = 0; i < groups.size(); i++) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(i);
-			if (grp.level == target)
+			if (grp.getLevel() == target)
 				kids.add(grp);
 		}
 		return kids;
@@ -114,8 +114,8 @@ public class PwDatabaseV3 extends PwDatabase {
 	public int getRootGroupId() {
 		for (int i = 0; i < groups.size(); i++) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(i);
-			if (grp.level == 0) {
+			if (grp.getLevel() == 0) {
-				return grp.groupId;
+				return grp.getGroupId();
 			}
 		}
 
@@ -124,13 +124,13 @@ public class PwDatabaseV3 extends PwDatabase {
 
 	public List<PwGroup> getGrpChildren(PwGroupV3 parent) {
 		int idx = groups.indexOf(parent);
-		int target = parent.level + 1;
+		int target = parent.getLevel() + 1;
 		List<PwGroup> kids = new ArrayList<PwGroup>();
 		while (++idx < groups.size()) {
 			PwGroupV3 grp = (PwGroupV3) groups.get(idx);
-			if (grp.level < target)
+			if (grp.getLevel() < target)
 				break;
-			else if (grp.level == target)
+			else if (grp.getLevel() == target)
 				kids.add(grp);
 		}
 		return kids;
@@ -145,7 +145,7 @@ public class PwDatabaseV3 extends PwDatabase {
 		 */
 		for (int i = 0; i < entries.size(); i++) {
 			PwEntryV3 ent = (PwEntryV3) entries.get(i);
-			if (ent.groupId == parent.groupId)
+			if (ent.getGroupId() == parent.getGroupId())
 				kids.add(ent);
 		}
 		return kids;
@@ -163,11 +163,11 @@ public class PwDatabaseV3 extends PwDatabase {
 
 			List<PwGroup> rootChildGroups = getGrpRoots();
 			root.setGroups(rootChildGroups);
-			root.childEntries = new ArrayList<>();
+			root.setEntries(new ArrayList<>());
-			root.level = -1;
+			root.setLevel(-1);
 			for (int i = 0; i < rootChildGroups.size(); i++) {
 				PwGroupV3 grp = (PwGroupV3) rootChildGroups.get(i);
-				grp.parent = root;
+				grp.setParent(root);
 				constructTree(grp);
 			}
 			return;
@@ -176,18 +176,18 @@ public class PwDatabaseV3 extends PwDatabase {
 		// I'm in non-root
 		// get child groups
 		currentGroup.setGroups(getGrpChildren(currentGroup));
-		currentGroup.childEntries = getEntries(currentGroup);
+		currentGroup.setEntries(getEntries(currentGroup));
 
 		// set parent in child entries
 		for (int i = 0; i < currentGroup.numbersOfChildEntries(); i++) {
-			PwEntryV3 entry = (PwEntryV3) currentGroup.childEntries.get(i);
+			PwEntryV3 entry = (PwEntryV3) currentGroup.getChildEntryAt(i);
-			entry.parent = currentGroup;
+			entry.setParent(currentGroup);
 		}
 		// recursively construct child groups
 		for (int i = 0; i < currentGroup.numbersOfChildGroups(); i++) {
-			PwGroupV3 grp = (PwGroupV3) currentGroup.childGroups.get(i);
+			PwGroupV3 grp = (PwGroupV3) currentGroup.getChildGroupAt(i);
-			grp.parent = currentGroup;
+			grp.setParent(currentGroup);
-			constructTree((PwGroupV3) currentGroup.childGroups.get(i));
+			constructTree((PwGroupV3) currentGroup.getChildGroupAt(i));
 		}
 		return;
 	}
@@ -316,11 +316,11 @@ public class PwDatabaseV3 extends PwDatabase {
 	public boolean isBackup(PwGroup group) {
 		PwGroupV3 g = (PwGroupV3) group;
 		while (g != null) {
-			if (g.level == 0 && g.name.equalsIgnoreCase("Backup")) {
+			if (g.getLevel() == 0 && g.getName().equalsIgnoreCase("Backup")) {
 				return true;
 			}
 			
-			g = g.parent;
+			g = (PwGroupV3) g.getParent();
 		}
 		
 		return false;
@@ -338,7 +338,7 @@ public class PwDatabaseV3 extends PwDatabase {
 	private void initAndAddGroup(String name, int iconId, PwGroup parent) {
 		PwGroup group = createGroup();
 		group.initNewGroup(name, newGroupId());
-		group.icon = iconFactory.getIcon(iconId);
+		group.setIcon(iconFactory.getIcon(iconId));
 		addGroupTo(group, parent);
 	}
 

app/src/main/java/com/keepassdroid/database/PwDatabaseV4.java

@@ -58,7 +58,6 @@ import biz.source_code.base64Coder.Base64Coder;
 
 public class PwDatabaseV4 extends PwDatabase {
 
-	public static final Date DEFAULT_NOW = new Date();
     public static final UUID UUID_ZERO = new UUID(0,0);
 	public static final int DEFAULT_ROUNDS = 6000;
 	private static final int DEFAULT_HISTORY_MAX_ITEMS = 10; // -1 unlimited
@@ -71,14 +70,14 @@ public class PwDatabaseV4 extends PwDatabase {
 	public PwCompressionAlgorithm compressionAlgorithm = PwCompressionAlgorithm.Gzip;
 	// TODO: Refactor me away to get directly from kdfParameters
     public long numKeyEncRounds = 6000;
-    public Date nameChanged = DEFAULT_NOW;
+    public Date nameChanged = new Date();
-    public Date settingsChanged = DEFAULT_NOW;
+    public Date settingsChanged = new Date();
     public String description = "";
-    public Date descriptionChanged = DEFAULT_NOW;
+    public Date descriptionChanged = new Date();
     public String defaultUserName = "";
-    public Date defaultUserNameChanged = DEFAULT_NOW;
+    public Date defaultUserNameChanged = new Date();
     
-    public Date keyLastChanged = DEFAULT_NOW;
+    public Date keyLastChanged = new Date();
     public long keyChangeRecDays = -1;
     public long keyChangeForceDays = 1;
 	public boolean keyChangeForceOnce = false;
@@ -87,17 +86,17 @@ public class PwDatabaseV4 extends PwDatabase {
     public String color = "";
     public boolean recycleBinEnabled = true;
     public UUID recycleBinUUID = UUID_ZERO;
-    public Date recycleBinChanged = DEFAULT_NOW;
+    public Date recycleBinChanged = new Date();
     public UUID entryTemplatesGroup = UUID_ZERO;
-    public Date entryTemplatesGroupChanged = DEFAULT_NOW;
+    public Date entryTemplatesGroupChanged = new Date();
     public int historyMaxItems = DEFAULT_HISTORY_MAX_ITEMS;
     public long historyMaxSize = DEFAULT_HISTORY_MAX_SIZE;
     public UUID lastSelectedGroup = UUID_ZERO;
     public UUID lastTopVisibleGroup = UUID_ZERO;
     public MemoryProtectionConfig memoryProtection = new MemoryProtectionConfig();
-    public List<PwDeletedObject> deletedObjects = new ArrayList<PwDeletedObject>();
+    public List<PwDeletedObject> deletedObjects = new ArrayList<>();
-    public List<PwIconCustom> customIcons = new ArrayList<PwIconCustom>();
+    public List<PwIconCustom> customIcons = new ArrayList<>();
-    public Map<String, String> customData = new HashMap<String, String>();
+    public Map<String, String> customData = new HashMap<>();
 	public KdfParameters kdfParameters = KdfFactory.getDefaultParameters();
 	public VariantDictionary publicCustomData = new VariantDictionary();
 	public BinaryPool binPool = new BinaryPool();
@@ -276,7 +275,7 @@ public class PwDatabaseV4 extends PwDatabase {
 
 	@Override
 	public List<PwGroup> getGrpRoots() {
-		return rootGroup.childGroups;
+		return rootGroup.getChildGroups();
 	}
 
 	@Override
@@ -351,7 +350,7 @@ public class PwDatabaseV4 extends PwDatabase {
 		if (getRecycleBin() == null) {
 			// Create recycle bin
 				
-			PwGroupV4 recycleBin = new PwGroupV4(true, true, RECYCLEBIN_NAME, iconFactory.getIcon(PwIconStandard.TRASH_BIN));
+			PwGroupV4 recycleBin = new PwGroupV4(true, RECYCLEBIN_NAME, iconFactory.getIcon(PwIconStandard.TRASH_BIN));
 			recycleBin.enableAutoType = false;
 			recycleBin.enableSearching = false;
 			recycleBin.isExpanded = false;
@@ -480,7 +479,7 @@ public class PwDatabaseV4 extends PwDatabase {
 	public void initNew(String dbPath) {
 		String filename = URLUtil.guessFileName(dbPath, null, null);
 		
-		rootGroup = new PwGroupV4(true, true, dbNameFromPath(dbPath), iconFactory.getIcon(PwIconStandard.FOLDER));
+		rootGroup = new PwGroupV4(true, dbNameFromPath(dbPath), iconFactory.getIcon(PwIconStandard.FOLDER));
 		groups.put(rootGroup.getId(), rootGroup);
 	}
 	

app/src/main/java/com/keepassdroid/database/PwDate.java

@@ -43,6 +43,56 @@ public class PwDate implements Cloneable, Serializable {
 	private Date jDate;
 	private byte[] cDate;
 
+    public static final Date NEVER_EXPIRE = getNeverExpire();
+    public static final Date NEVER_EXPIRE_BUG = getNeverExpireBug();
+
+    public static final Date DEFAULT_DATE = getDefaultDate();
+    public static final PwDate PW_NEVER_EXPIRE = new PwDate(NEVER_EXPIRE);
+    public static final PwDate PW_NEVER_EXPIRE_BUG = new PwDate(NEVER_EXPIRE_BUG);
+    public static final PwDate DEFAULT_PWDATE = new PwDate(DEFAULT_DATE);
+
+    private static Date getDefaultDate() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2004);
+        cal.set(Calendar.MONTH, Calendar.JANUARY);
+        cal.set(Calendar.DAY_OF_MONTH, 1);
+        cal.set(Calendar.HOUR, 0);
+        cal.set(Calendar.MINUTE, 0);
+        cal.set(Calendar.SECOND, 0);
+
+        return cal.getTime();
+    }
+
+    private static Date getNeverExpire() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2999);
+        cal.set(Calendar.MONTH, 11);
+        cal.set(Calendar.DAY_OF_MONTH, 28);
+        cal.set(Calendar.HOUR, 23);
+        cal.set(Calendar.MINUTE, 59);
+        cal.set(Calendar.SECOND, 59);
+
+        return cal.getTime();
+    }
+
+    /** This date was was accidentally being written
+     *  out when an entry was supposed to be marked as
+     *  expired. We'll use this to silently correct those
+     *  entries.
+     * @return
+     */
+    private static Date getNeverExpireBug() {
+        Calendar cal = Calendar.getInstance();
+        cal.set(Calendar.YEAR, 2999);
+        cal.set(Calendar.MONTH, 11);
+        cal.set(Calendar.DAY_OF_MONTH, 30);
+        cal.set(Calendar.HOUR, 23);
+        cal.set(Calendar.MINUTE, 59);
+        cal.set(Calendar.SECOND, 59);
+
+        return cal.getTime();
+    }
+	
 	public PwDate(byte[] buf, int offset) {
 		cDate = new byte[DATE_SIZE];
 		System.arraycopy(buf, offset, cDate, 0, DATE_SIZE);
@@ -59,8 +109,9 @@ public class PwDate implements Cloneable, Serializable {
 		jDateBuilt = true;
 	}
 	
-	private PwDate() {
+	public PwDate() {
-		
+		jDate = new Date();
+		jDateBuilt = true;
 	}
 	
 	@Override
@@ -82,9 +133,7 @@ public class PwDate implements Cloneable, Serializable {
 		return copy;
 	}
 
-
+	public Date getDate() {
-	
-	public Date getJDate() {
 		if ( ! jDateBuilt ) {
 			jDate = readTime(cDate, 0, App.getCalendar());
 			jDateBuilt = true;
@@ -102,7 +151,6 @@ public class PwDate implements Cloneable, Serializable {
 		return cDate;
 	}
 	
-	
 	/**
 	 * Unpack date from 5 byte format. The five bytes at 'offset' are unpacked
 	 * to a java.util.Date instance.
@@ -189,7 +237,7 @@ public class PwDate implements Cloneable, Serializable {
 		} else if ( cDateBuilt && date.jDateBuilt ) {
 			return Arrays.equals(date.getCDate(), cDate);
 		} else {
-			return IsSameDate(date.getJDate(), jDate);
+			return IsSameDate(date.getDate(), jDate);
 		}
 	}
 

app/src/main/java/com/keepassdroid/database/PwEntry.java

@@ -69,52 +69,30 @@ public abstract class PwEntry extends PwNode implements Cloneable {
 	}
 
     public void assign(PwEntry source) {
+	    super.assign(source);
 		icon = source.icon;
 	}
 	
 	public abstract UUID getUUID();
 	public abstract void setUUID(UUID u);
 
-	public String getTitle() {
+	public void startToDecodeReference(PwDatabase db) {}
-		return getTitle(false, null);
+	public void endToDecodeReference(PwDatabase db) {}
-	}
 
-	public String getUsername() {
+	public abstract String getTitle();
-		return getUsername(false, null);
+    public abstract void setTitle(String title);
-	}
 
-	public String getPassword() {
+	public abstract String getUsername();
-		return getPassword(false, null);
+    public abstract void setUsername(String user);
-	}
 
-	public String getUrl() {
+	public abstract String getPassword();
-		return getUrl(false, null);
+    public abstract void setPassword(String pass);
-	}
 
-	public String getNotes() {
+	public abstract String getUrl();
-		return getNotes(false, null);
+    public abstract void setUrl(String url);
-	}
 
-	public abstract String getTitle(boolean decodeRef, PwDatabase db);
+	public abstract String getNotes();
-	public abstract String getUsername(boolean decodeRef, PwDatabase db);
+	public abstract void setNotes(String notes);
-	public abstract String getPassword(boolean decodeRef, PwDatabase db);
-	public abstract String getUrl(boolean decodeRef, PwDatabase db);
-	public abstract String getNotes(boolean decodeRef, PwDatabase db);
-	public abstract Date getLastModificationTime();
-	public abstract Date getLastAccessTime();
-	public abstract Date getExpiryTime();
-	public abstract boolean expires();
-	
-	public abstract void setTitle(String title, PwDatabase db);
-	public abstract void setUsername(String user, PwDatabase db);
-	public abstract void setPassword(String pass, PwDatabase db);
-	public abstract void setUrl(String url, PwDatabase db);
-	public abstract void setNotes(String notes, PwDatabase db);
-	public abstract void setCreationTime(Date create);
-	public abstract void setLastModificationTime(Date mod);
-	public abstract void setLastAccessTime(Date access);
-	public abstract void setExpires(boolean exp);
-	public abstract void setExpiryTime(Date expires);
 
 	public PwIcon getIcon() {
 		return icon;
@@ -148,10 +126,9 @@ public abstract class PwEntry extends PwNode implements Cloneable {
 
     /**
      * Retrieve extra fields to show, key is the label, value is the value of field
-     * @param pm Database
      * @return Map of label/value
      */
-	public Map<String, String> getExtraFields(PwDatabase pm) {
+	public Map<String, String> getExtraFields() {
 		return new HashMap<>();
 	}
 
@@ -196,7 +173,7 @@ public abstract class PwEntry extends PwNode implements Cloneable {
 	}
 	
 	public void touch(boolean modified, boolean touchParents) {
-		Date now = new Date();
+		PwDate now = new PwDate();
 
 		setLastAccessTime(now);
 		
@@ -282,7 +259,8 @@ public abstract class PwEntry extends PwNode implements Cloneable {
             if (object1.equals(object2))
                 return 0;
 
-            int entryCreationComp = object1.getCreationTime().compareTo(object2.getCreationTime());
+            int entryCreationComp = object1.getCreationTime().getDate()
+					.compareTo(object2.getCreationTime().getDate());
             // If same creation, can be different
             if (entryCreationComp == 0) {
                 return object1.hashCode() - object2.hashCode();

app/src/main/java/com/keepassdroid/database/PwEntryV3.java

@@ -42,12 +42,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 package com.keepassdroid.database;
 
-// PhoneID
 import com.keepassdroid.utils.Types;
 
 import java.io.UnsupportedEncodingException;
-import java.util.Calendar;
-import java.util.Date;
 import java.util.Random;
 import java.util.UUID;
 
@@ -74,340 +71,60 @@ import java.util.UUID;
  */
 public class PwEntryV3 extends PwEntry {
 
-	public static final Date NEVER_EXPIRE = getNeverExpire();
-	public static final Date NEVER_EXPIRE_BUG = getNeverExpireBug();
-	public static final Date DEFAULT_DATE = getDefaultDate();
-	public static final PwDate PW_NEVER_EXPIRE = new PwDate(NEVER_EXPIRE);
-	public static final PwDate PW_NEVER_EXPIRE_BUG = new PwDate(NEVER_EXPIRE_BUG);
-	public static final PwDate DEFAULT_PWDATE = new PwDate(DEFAULT_DATE);
-	
-
 	/** Size of byte buffer needed to hold this struct. */
-	public static final String PMS_ID_BINDESC = "bin-stream";
+	private static final String PMS_ID_BINDESC = "bin-stream";
-	public static final String PMS_ID_TITLE   = "Meta-Info";
+	private static final String PMS_ID_TITLE   = "Meta-Info";
-	public static final String PMS_ID_USER    = "SYSTEM";
+	private static final String PMS_ID_USER    = "SYSTEM";
-	public static final String PMS_ID_URL     = "$";
+	private static final String PMS_ID_URL     = "$";
-
-
-
-	public int              groupId;
-	public 	String 			username;
-	private byte[]          password;
-	private byte[]          uuid;
-	public String title;
-	public String url;
-	public String additional;
-
-
-	public PwDate             tCreation;
-	public PwDate             tLastMod;
-	public PwDate             tLastAccess;
-	public PwDate             tExpire;
-
-	/** A string describing what is in pBinaryData */
-	public String           binaryDesc;
-	private byte[]          binaryData;
-
-	private static Date getDefaultDate() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2004);
-		cal.set(Calendar.MONTH, Calendar.JANUARY);
-		cal.set(Calendar.DAY_OF_MONTH, 1);
-		cal.set(Calendar.HOUR, 0);
-		cal.set(Calendar.MINUTE, 0);
-		cal.set(Calendar.SECOND, 0);
-
-		return cal.getTime();
-	}
-
-	private static Date getNeverExpire() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2999);
-		cal.set(Calendar.MONTH, 11);
-		cal.set(Calendar.DAY_OF_MONTH, 28);
-		cal.set(Calendar.HOUR, 23);
-		cal.set(Calendar.MINUTE, 59);
-		cal.set(Calendar.SECOND, 59);
-
-		return cal.getTime();
-	}
-	
-	/** This date was was accidentally being written
-	 *  out when an entry was supposed to be marked as
-	 *  expired. We'll use this to silently correct those
-	 *  entries.
-	 * @return
-	 */
-	private static Date getNeverExpireBug() {
-		Calendar cal = Calendar.getInstance();
-		cal.set(Calendar.YEAR, 2999);
-		cal.set(Calendar.MONTH, 11);
-		cal.set(Calendar.DAY_OF_MONTH, 30);
-		cal.set(Calendar.HOUR, 23);
-		cal.set(Calendar.MINUTE, 59);
-		cal.set(Calendar.SECOND, 59);
-
-		return cal.getTime();
-	}
-
-	public static boolean IsNever(Date date) {
-		return PwDate.IsSameDate(NEVER_EXPIRE, date);
-	}
 
     // for tree traversing
-	public PwGroupV3 parent = null;
+    private PwGroupV3 parent = null;
+    private int              groupId;
+
+    private byte[] uuid;
+	private	String username;
+	private byte[] password;
+	private String title;
+	private String url;
+	private String additional;
+
+	/** A string describing what is in pBinaryData */
+	private String           binaryDesc;
+	private byte[]          binaryData;
 
 
 	public PwEntryV3() {
 		super();
 	}
 	
-	/*
-	public PwEntryV3(PwEntryV3 source) {
-		assign(source);
-	}
-	*/
-	
 	public PwEntryV3(PwGroupV3 p) {
-		this(p, true, true);
-	}
-
-	public PwEntryV3(PwGroupV3 p, boolean initId, boolean initDates) {
 
 		parent = p;
 		groupId = ((PwGroupIdV3)parent.getId()).getId();
 
-		if (initId) {
         Random random = new Random();
         uuid = new byte[16];
         random.nextBytes(uuid);
 	}
 
-		if (initDates) {
-			Calendar cal = Calendar.getInstance();
-			Date now = cal.getTime();
-			tCreation = new PwDate(now);
-			tLastAccess = new PwDate(now);
-			tLastMod = new PwDate(now);
-			tExpire = new PwDate(NEVER_EXPIRE);
-		}
-	}
-
-	/**
-	 * @return the actual password byte array.
-	 */
-	@Override
-	public String getPassword(boolean decodeRef, PwDatabase db) {
-		if (password == null) {
-			return "";
-		}
-		
-		return new String(password);
-	}
-	
-	public byte[] getPasswordBytes() {
-		return password;
-	}
-
-
-	/**
-	 * fill byte array
-	 */
-	private static void fill(byte[] array, byte value)
-	{
-		for (int i=0; i<array.length; i++)
-			array[i] = value;
-		return;
-	}
-
-	/** Securely erase old password before copying new. */
-	public void setPassword( byte[] buf, int offset, int len ) {
-		if( password != null ) {
-			fill( password, (byte)0 );
-			password = null;
-		}
-		password = new byte[len];
-		System.arraycopy( buf, offset, password, 0, len );
-	}
-
-
-
-	@Override
-	public void setPassword(String pass, PwDatabase db) {
-		byte[] password;
-		try {
-			password = pass.getBytes("UTF-8");
-			setPassword(password, 0, password.length);
-		} catch (UnsupportedEncodingException e) {
-			assert false;
-			password = pass.getBytes();
-			setPassword(password, 0, password.length);
-		}
-	}
-
-	/**
-	 * @return the actual binaryData byte array.
-	 */
-	public byte[] getBinaryData() {
-		return binaryData;
-	}
-
-
-
-	/** Securely erase old data before copying new. */
-	public void setBinaryData( byte[] buf, int offset, int len ) {
-		if( binaryData != null ) {
-			fill( binaryData, (byte)0 );
-			binaryData = null;
-		}
-		binaryData = new byte[len];
-		System.arraycopy( buf, offset, binaryData, 0, len );
-	}
-
-	// Determine if this is a MetaStream entry
-	@Override
-	public boolean isMetaStream() {
-		if ( binaryData == null ) return false;
-		if ( additional == null || additional.length() == 0 ) return false;
-		if ( ! binaryDesc.equals(PMS_ID_BINDESC) ) return false;
-		if ( title == null ) return false;
-		if ( ! title.equals(PMS_ID_TITLE) ) return false;
-		if ( username == null ) return false;
-		if ( ! username.equals(PMS_ID_USER) ) return false;
-		if ( url == null ) return false;
-		if ( ! url.equals(PMS_ID_URL)) return false;
-		if ( !icon.isMetaStreamIcon() ) return false;
-
-		return true;
-	}
-	
-	@Override
-	public void assign(PwEntry source) {
-		
-		if ( ! (source instanceof PwEntryV3) ) {
-			throw new RuntimeException("DB version mix");
-		}
-		
-		super.assign(source);
-		
-		PwEntryV3 src = (PwEntryV3) source;
-		assign(src);
-	
-	}
-
-	private void assign(PwEntryV3 source) {
-		title = source.title;
-		url = source.url;
-		groupId = source.groupId;
-		username = source.username;
-		additional = source.additional;
-		uuid = source.uuid;
-
-		int passLen = source.password.length;
-		password = new byte[passLen]; 
-		System.arraycopy(source.password, 0, password, 0, passLen);
-
-		tCreation = (PwDate) source.tCreation.clone();
-		tLastMod = (PwDate) source.tLastMod.clone();
-		tLastAccess = (PwDate) source.tLastAccess.clone();
-		tExpire = (PwDate) source.tExpire.clone();
-
-		binaryDesc = source.binaryDesc;
-
-		if ( source.binaryData != null ) {
-			int descLen = source.binaryData.length;
-			binaryData = new byte[descLen]; 
-			System.arraycopy(source.binaryData, 0, binaryData, 0, descLen);
-		}
-
-		parent = source.parent;
-
-	}
-	
-	@Override
-	public Object clone() {
-		PwEntryV3 newEntry = (PwEntryV3) super.clone();
-		
-		if (password != null) {
-			int passLen = password.length;
-			password = new byte[passLen]; 
-			System.arraycopy(password, 0, newEntry.password, 0, passLen);
-		}
-
-		newEntry.tCreation = (PwDate) tCreation.clone();
-		newEntry.tLastMod = (PwDate) tLastMod.clone();
-		newEntry.tLastAccess = (PwDate) tLastAccess.clone();
-		newEntry.tExpire = (PwDate) tExpire.clone();
-		
-		newEntry.binaryDesc = binaryDesc;
-
-		if ( binaryData != null ) {
-			int descLen = binaryData.length;
-			newEntry.binaryData = new byte[descLen]; 
-			System.arraycopy(binaryData, 0, newEntry.binaryData, 0, descLen);
-		}
-
-		newEntry.parent = parent;
-
-		
-		return newEntry;
-	}
-
-	@Override
-	public Date getLastAccessTime() {
-		return tLastAccess.getJDate();
-	}
-
-	@Override
-	public Date getCreationTime() {
-		return tCreation.getJDate();
-	}
-
-	@Override
-	public Date getExpiryTime() {
-		return tExpire.getJDate();
-	}
-
-	@Override
-	public Date getLastModificationTime() {
-		return tLastMod.getJDate();
-	}
-
-	@Override
-	public void setCreationTime(Date create) {
-		tCreation = new PwDate(create);
-		
-	}
-
-	@Override
-	public void setLastModificationTime(Date mod) {
-		tLastMod = new PwDate(mod);
-		
-	}
-
-	@Override
-	public void setLastAccessTime(Date access) {
-		tLastAccess = new PwDate(access);
-		
-	}
-
-	@Override
-	public void setExpires(boolean expires) {
-		if (!expires) {
-			tExpire = PW_NEVER_EXPIRE;
-		}
-	}
-
-	@Override
-	public void setExpiryTime(Date expires) {
-		tExpire = new PwDate(expires);
-	}
-
     @Override
     public PwGroupV3 getParent() {
         return parent;
     }
 
+    @Override
+    public void setParent(PwGroup parent) {
+        this.parent = (PwGroupV3) parent;
+    }
+
+    public int getGroupId() {
+	    return groupId;
+    }
+
+    public void setGroupId(int groupId) {
+	    this.groupId = groupId;
+    }
+
     @Override
     public UUID getUUID() {
         return Types.bytestoUUID(uuid);
@@ -419,54 +136,48 @@ public class PwEntryV3 extends PwEntry {
     }
 
     @Override
-	public String getUsername(boolean decodeRef, PwDatabase db) {
+    public String getUsername() {
         if (username == null) {
             return "";
         }
-		
         return username;
     }
 
     @Override
-	public void setUsername(String user, PwDatabase db) {
+    public void setUsername(String user) {
         username = user;
     }
 
     @Override
-	public String getTitle(boolean decodeRef, PwDatabase db) {
+    public String getTitle() {
         return title;
     }
 
     @Override
-	public void setTitle(String title, PwDatabase db) {
+    public void setTitle(String title) {
         this.title = title;
     }
 
     @Override
-	public String getNotes(boolean decodeRef, PwDatabase db) {
+    public String getNotes() {
         return additional;
     }
 
     @Override
-	public void setNotes(String notes, PwDatabase db) {
+    public void setNotes(String notes) {
         additional = notes;
     }
 
     @Override
-	public String getUrl(boolean decodeRef, PwDatabase db) {
+    public String getUrl() {
         return url;
     }
 
     @Override
-	public void setUrl(String url, PwDatabase db) {
+    public void setUrl(String url) {
         this.url = url;
     }
 
-	@Override
-	public boolean expires() {
-		return ! IsNever(tExpire.getJDate());
-	}
-	
     public void populateBlankFields(PwDatabaseV3 db) {
         if (icon == null) {
             icon = db.iconFactory.getIcon(1);
@@ -496,22 +207,6 @@ public class PwEntryV3 extends PwEntry {
             additional = "";
         }
 
-		if (tCreation == null) {
-			tCreation = DEFAULT_PWDATE;
-		}
-		
-		if (tLastMod == null) {
-			tLastMod = DEFAULT_PWDATE;
-		}
-		
-		if (tLastAccess == null) {
-			tLastAccess = DEFAULT_PWDATE;
-		}
-		
-		if (tExpire == null) {
-			tExpire = PW_NEVER_EXPIRE;
-		}
-		
         if (binaryDesc == null) {
             binaryDesc = "";
         }
@@ -521,8 +216,163 @@ public class PwEntryV3 extends PwEntry {
         }
     }
 
+	/**
+	 * @return the actual password byte array.
+	 */
 	@Override
-	public void setParent(PwGroup parent) {
+	public String getPassword() {
-		this.parent = (PwGroupV3) parent;
+		if (password == null) {
+			return "";
+		}
+		return new String(password);
+	}
+	
+	public byte[] getPasswordBytes() {
+		return password;
+	}
+
+	/**
+	 * fill byte array
+	 */
+	private static void fill(byte[] array, byte value)
+	{
+		for (int i=0; i<array.length; i++)
+			array[i] = value;
+		return;
+	}
+
+	/** Securely erase old password before copying new. */
+	public void setPassword( byte[] buf, int offset, int len ) {
+		if( password != null ) {
+			fill( password, (byte)0 );
+			password = null;
+		}
+		password = new byte[len];
+		System.arraycopy( buf, offset, password, 0, len );
+	}
+
+	@Override
+	public void setPassword(String pass) {
+		byte[] password;
+		try {
+			password = pass.getBytes("UTF-8");
+			setPassword(password, 0, password.length);
+		} catch (UnsupportedEncodingException e) {
+			assert false;
+			password = pass.getBytes();
+			setPassword(password, 0, password.length);
+		}
+	}
+
+	/**
+	 * @return the actual binaryData byte array.
+	 */
+	public byte[] getBinaryData() {
+		return binaryData;
+	}
+
+	/** Securely erase old data before copying new. */
+	public void setBinaryData( byte[] buf, int offset, int len ) {
+		if( binaryData != null ) {
+			fill( binaryData, (byte)0 );
+			binaryData = null;
+		}
+		binaryData = new byte[len];
+		System.arraycopy( buf, offset, binaryData, 0, len );
+	}
+
+	public String getBinaryDesc() {
+	    return binaryDesc;
+    }
+
+    public void setBinaryDesc(String binaryDesc) {
+	    this.binaryDesc = binaryDesc;
+    }
+
+	// Determine if this is a MetaStream entry
+	@Override
+	public boolean isMetaStream() {
+		if ( binaryData == null ) return false;
+		if ( additional == null || additional.length() == 0 ) return false;
+		if ( ! binaryDesc.equals(PMS_ID_BINDESC) ) return false;
+		if ( title == null ) return false;
+		if ( ! title.equals(PMS_ID_TITLE) ) return false;
+		if ( username == null ) return false;
+		if ( ! username.equals(PMS_ID_USER) ) return false;
+		if ( url == null ) return false;
+		if ( ! url.equals(PMS_ID_URL)) return false;
+		if ( !icon.isMetaStreamIcon() ) return false;
+
+		return true;
+	}
+	
+	@Override
+	public void assign(PwEntry source) {
+		
+		if ( ! (source instanceof PwEntryV3) ) {
+			throw new RuntimeException("DB version mix");
+		}
+		
+		super.assign(source);
+		
+		PwEntryV3 src = (PwEntryV3) source;
+		assign(src);
+	}
+
+	private void assign(PwEntryV3 source) {
+		title = source.title;
+		url = source.url;
+		groupId = source.groupId;
+		username = source.username;
+		additional = source.additional;
+		uuid = source.uuid;
+
+		int passLen = source.password.length;
+		password = new byte[passLen]; 
+		System.arraycopy(source.password, 0, password, 0, passLen);
+
+		setCreationTime( (PwDate) source.getCreationTime().clone() );
+		setLastModificationTime( (PwDate) source.getLastModificationTime().clone() );
+		setLastAccessTime( (PwDate) source.getLastAccessTime().clone() );
+		setExpiryTime( (PwDate) source.getExpiryTime().clone() );
+
+		binaryDesc = source.binaryDesc;
+
+		if ( source.binaryData != null ) {
+			int descLen = source.binaryData.length;
+			binaryData = new byte[descLen]; 
+			System.arraycopy(source.binaryData, 0, binaryData, 0, descLen);
+		}
+
+		parent = source.parent;
+
+	}
+	
+	@Override
+	public Object clone() {
+		PwEntryV3 newEntry = (PwEntryV3) super.clone();
+		
+		if (password != null) {
+			int passLen = password.length;
+			password = new byte[passLen]; 
+			System.arraycopy(password, 0, newEntry.password, 0, passLen);
+		}
+
+        newEntry.setCreationTime( (PwDate) getCreationTime().clone() );
+        newEntry.setLastModificationTime( (PwDate) getLastModificationTime().clone() );
+        newEntry.setLastAccessTime( (PwDate) getLastAccessTime().clone() );
+        newEntry.setExpiryTime( (PwDate) getExpiryTime().clone() );
+		
+		newEntry.binaryDesc = binaryDesc;
+
+		if ( binaryData != null ) {
+			int descLen = binaryData.length;
+			newEntry.binaryData = new byte[descLen]; 
+			System.arraycopy(binaryData, 0, newEntry.binaryData, 0, descLen);
+		}
+
+		newEntry.parent = parent;
+
+		return newEntry;
 	}
 }

app/src/main/java/com/keepassdroid/database/PwEntryV4.java

@@ -21,11 +21,10 @@ package com.keepassdroid.database;
 
 import com.keepassdroid.database.security.ProtectedBinary;
 import com.keepassdroid.database.security.ProtectedString;
-import com.keepassdroid.utils.SprEngine;
+import com.keepassdroid.utils.SprEngineV4;
 
 import java.io.Serializable;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -41,8 +40,12 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	public static final String STR_URL = "URL";
 	public static final String STR_NOTES = "Notes";
 
+	// To decode each field not serializable
+    private transient PwDatabase mDatabase = null;
+    private transient boolean mDecodeRef = false;
+	
 	public PwGroupV4 parent;
-	public UUID uuid = PwDatabaseV4.UUID_ZERO;
+	private UUID uuid = PwDatabaseV4.UUID_ZERO;
 	private HashMap<String, ProtectedString> fields = new HashMap<>();
 	public HashMap<String, ProtectedBinary> binaries = new HashMap<>();
 	public PwIconCustom customIcon = PwIconCustom.ZERO;
@@ -52,17 +55,12 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	public AutoType autoType = new AutoType();
 	public ArrayList<PwEntryV4> history = new ArrayList<>();
 	
-	private Date parentGroupLastMod = PwDatabaseV4.DEFAULT_NOW;
+	private PwDate parentGroupLastMod = new PwDate();
-	private Date creation = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastAccess = PwDatabaseV4.DEFAULT_NOW;
-	private Date expireDate = PwDatabaseV4.DEFAULT_NOW;
-	private boolean expires = false;
 	private long usageCount = 0;
 	public String url = "";
 	public String additional = "";
 	public String tags = "";
-	public Map<String, String> customData = new HashMap<String, String>();
+	public Map<String, String> customData = new HashMap<>();
 
 	public class AutoType implements Cloneable, Serializable {
 		private static final long OBF_OPT_NONE = 0;
@@ -71,7 +69,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		public long obfuscationOptions = OBF_OPT_NONE;
 		public String defaultSequence = "";
 		
-		private HashMap<String, String> windowSeqPairs = new HashMap<String, String>();
+		private HashMap<String, String> windowSeqPairs = new HashMap<>();
 		
 		@SuppressWarnings("unchecked")
 		public Object clone() {
@@ -80,7 +78,6 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 				auto = (AutoType) super.clone();
 			} 
 			catch (CloneNotSupportedException e) {
-				assert(false);
 				throw new RuntimeException(e);
 			}
 			
@@ -101,30 +98,13 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	}
 	
 	public PwEntryV4() {
-
 	}
 	
 	public PwEntryV4(PwGroupV4 p) {
-		this(p, true, true);
-	}
-	
-	public PwEntryV4(PwGroupV4 p, boolean initId, boolean initDates) {
 		parent = p;
-		
-		if (initId) {
 		uuid = UUID.randomUUID();
 	}
 
-		if (initDates) {
-			Calendar cal = Calendar.getInstance();
-			Date now = cal.getTime();
-			creation = now;
-			lastAccess = now;
-			lastMod = now;
-			expires = false;
-		}
-	}
-
 
 	@SuppressWarnings("unchecked")
 	@Override
@@ -152,6 +132,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	}
 
 	private void assign(PwEntryV4 source) {
+		super.assign(source);
 		parent = source.parent;
 		uuid = source.uuid;
 		fields = source.fields;
@@ -163,131 +144,98 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		autoType = source.autoType;
 		history = source.history;
 		parentGroupLastMod = source.parentGroupLastMod;
-		creation = source.creation;
-		lastMod = source.lastMod;
-		lastAccess = source.lastAccess;
-		expireDate = source.expireDate;
-		expires = source.expires;
 		usageCount = source.usageCount;
 		url = source.url;
 		additional = source.additional;
-		
 	}
 	
 	@Override
 	public Object clone() {
 		PwEntryV4 newEntry = (PwEntryV4) super.clone();
-		
 		return newEntry;
 	}
 
-	private String decodeRefKey(boolean decodeRef, String key, PwDatabase db) {
+	@Override
-		String text = getString(key);
+	public void startToDecodeReference(PwDatabase db) {
-		if (decodeRef) {
+        this.mDatabase = db;
-			text = decodeRef(text, db);
+        this.mDecodeRef = true;
 	}
 
+	@Override
+	public void endToDecodeReference(PwDatabase db) {
+        this.mDatabase = null;
+        this.mDecodeRef = false;
+	}
+	
+	private String decodeRefKey(boolean decodeRef, String key) {
+		String text = getString(key);
+		if (decodeRef) {
+			text = decodeRef(text, mDatabase);
+		}
 		return text;
 	}
 
 	private String decodeRef(String text, PwDatabase db) {
 		if (db == null) { return text; }
-		
+		SprEngineV4 spr = new SprEngineV4();
-		SprEngine spr = SprEngine.getInstance(db);
 		return spr.compile(text, this, db);
 	}
 
 	@Override
-	public String getUsername(boolean decodeRef, PwDatabase db) {
+	public String getUsername() {
-		return decodeRefKey(decodeRef, STR_USERNAME, db);
+		return decodeRefKey(mDecodeRef, STR_USERNAME);
 	}
 
 	@Override
-	public String getTitle(boolean decodeRef, PwDatabase db) {
+	public String getTitle() {
-		return decodeRefKey(decodeRef, STR_TITLE, db);
+		return decodeRefKey(mDecodeRef, STR_TITLE);
 	}
 	
 	@Override
-	public String getPassword(boolean decodeRef, PwDatabase db) {
+	public String getPassword() {
-		return decodeRefKey(decodeRef, STR_PASSWORD, db);
+		return decodeRefKey(mDecodeRef, STR_PASSWORD);
 	}
 
 	@Override
-	public Date getLastAccessTime() {
+	public void setTitle(String title) {
-		return lastAccess;
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
-	}
-
-	@Override
-	public Date getCreationTime() {
-		return creation;
-	}
-
-	@Override
-	public Date getExpiryTime() {
-		return expireDate;
-	}
-
-	@Override
-	public Date getLastModificationTime() {
-		return lastMod;
-	}
-
-	@Override
-	public void setTitle(String title, PwDatabase d) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
 		boolean protect = db.memoryProtection.protectTitle;
 		
 		setString(STR_TITLE, title, protect);
 	}
 
 	@Override
-	public void setUsername(String user, PwDatabase d) {
+	public void setUsername(String user) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectUserName;
 		
 		setString(STR_USERNAME, user, protect);
 	}
 
 	@Override
-	public void setPassword(String pass, PwDatabase d) {
+	public void setPassword(String pass) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectPassword;
 		
 		setString(STR_PASSWORD, pass, protect);
 	}
 
 	@Override
-	public void setUrl(String url, PwDatabase d) {
+	public void setUrl(String url) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectUrl;
 		
 		setString(STR_URL, url, protect);
 	}
 
 	@Override
-	public void setNotes(String notes, PwDatabase d) {
+	public void setNotes(String notes) {
-		PwDatabaseV4 db = (PwDatabaseV4) d;
+		PwDatabaseV4 db = (PwDatabaseV4) mDatabase;
 		boolean protect = db.memoryProtection.protectNotes;
 		
 		setString(STR_NOTES, notes, protect);
 	}
 
-	public void setCreationTime(Date date) {
-		creation = date;
-	}
-
-	public void setExpiryTime(Date date) {
-		expireDate = date;
-	}
-
-	public void setLastAccessTime(Date date) {
-		lastAccess = date;
-	}
-
-	public void setLastModificationTime(Date date) {
-		lastMod = date;
-	}
-
 	@Override
 	public PwGroupV4 getParent() {
 		return parent;
@@ -307,7 +255,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	public String getString(String key) {
 		ProtectedString value = fields.get(key);
 		
-		if ( value == null ) return new String("");
+		if ( value == null ) return "";
 		
 		return value.toString();
 	}
@@ -317,7 +265,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		fields.put(key, ps);
 	}
 
-	public Date getLocationChanged() {
+	public PwDate getLocationChanged() {
 		return parentGroupLastMod;
 	}
 
@@ -325,7 +273,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		return usageCount;
 	}
 
-	public void setLocationChanged(Date date) {
+	public void setLocationChanged(PwDate date) {
 		parentGroupLastMod = date;
 	}
 
@@ -334,22 +282,13 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 	}
 
 	@Override
-	public boolean expires() {
+	public String getNotes() {
-		return expires;
+		return decodeRefKey(mDecodeRef, STR_NOTES);
-	}
-
-	public void setExpires(boolean exp) {
-		expires = exp;
 	}
 
 	@Override
-	public String getNotes(boolean decodeRef, PwDatabase db) {
+	public String getUrl() {
-		return decodeRefKey(decodeRef, STR_NOTES, db);
+		return decodeRefKey(mDecodeRef, STR_URL);
-	}
-
-	@Override
-	public String getUrl(boolean decodeRef, PwDatabase db) {
-		return decodeRefKey(decodeRef, STR_URL, db);
 	}
 
 	@Override
@@ -417,7 +356,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 		
 		for (int i = 0; i < history.size(); i++) {
 			PwEntry entry = history.get(i);
-			Date lastMod = entry.getLastModificationTime();
+			Date lastMod = entry.getLastModificationTime().getDate();
 			if ((min == null) || lastMod.before(min)) {
 				index = i;
 				min = lastMod;
@@ -453,16 +392,16 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
     }
 
     @Override
-	public Map<String, String> getExtraFields(PwDatabase pm) {
+	public Map<String, String> getExtraFields() {
-		Map<String, String> extraFields = super.getExtraFields(pm);
+		Map<String, String> extraFields = super.getExtraFields();
-		SprEngine spr = SprEngine.getInstance(pm);
+		SprEngineV4 spr = new SprEngineV4();
 		// Display custom fields
 		if (fields.size() > 0) {
 			for (Map.Entry<String, ProtectedString> pair : fields.entrySet()) {
 				String key = pair.getKey();
                 // TODO Add hidden style for protection field
 				if (!PwEntryV4.IsStandardField(key)) {
-                    extraFields.put(key, spr.compile(pair.getValue().toString(), this, pm));
+                    extraFields.put(key, spr.compile(pair.getValue().toString(), this, mDatabase));
 				}
 			}
 		}
@@ -529,7 +468,7 @@ public class PwEntryV4 extends PwEntry implements ITimeLogger {
 
 	@Override
 	public void touchLocation() {
-		parentGroupLastMod = new Date();
+		parentGroupLastMod = new PwDate();
 	}
 	
 	@Override

app/src/main/java/com/keepassdroid/database/PwGroup.java

@@ -24,24 +24,40 @@ import com.keepassdroid.utils.StrUtil;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.Date;
 import java.util.List;
 
 public abstract class PwGroup extends PwNode {
 
     // TODO Change dependency and make private
-	public List<PwGroup> childGroups = new ArrayList<>();
-	public List<PwEntry> childEntries = new ArrayList<>();
-	public String name = "";
-	public PwIconStandard icon;
 
-	private List<PwNode> children = new ArrayList<>();
+    protected String name = "";
+    protected PwIconStandard icon;
+
+	protected List<PwGroup> childGroups = new ArrayList<>();
+	protected List<PwEntry> childEntries = new ArrayList<>();
+	private transient List<PwNode> children = new ArrayList<>();
 
     public void initNewGroup(String nm, PwGroupId newId) {
         setId(newId);
         name = nm;
     }
 
+    public List<PwGroup> getChildGroups() {
+        return childGroups;
+    }
+
+    public List<PwEntry> getChildEntries() {
+        return childEntries;
+    }
+
+    public void setGroups(List<PwGroup> groups) {
+        childGroups = groups;
+    }
+
+    public void setEntries(List<PwEntry> entries) {
+        childEntries = entries;
+    }
+
     public void addChildGroup(PwGroup group) {
         this.childGroups.add(group);
     }
@@ -50,6 +66,15 @@ public abstract class PwGroup extends PwNode {
         this.childEntries.add(entry);
     }
 
+    // Todo parameter type
+    public PwGroup getChildGroupAt(int number) {
+        return this.childGroups.get(number);
+    }
+
+    public PwEntry getChildEntryAt(int number) {
+        return this.childEntries.get(number);
+    }
+
     public void removeChildGroup(PwGroup group) {
         this.childGroups.remove(group);
     }
@@ -112,24 +137,33 @@ public abstract class PwGroup extends PwNode {
         return getName();
     }
 
-    public abstract String getName();
+    public String getName() {
+        return name;
+    }
 
-	public abstract Date getLastMod();
+    public void setName(String name) {
+        this.name = name;
+    }
 	
 	public PwIcon getIcon() {
 		return icon;
 	}
 
-	public abstract void setLastAccessTime(Date date);
+	public PwIconStandard getIconStandard() {
+        return icon;
+    }
 
-	public abstract void setLastModificationTime(Date date);
+	public void setIcon(PwIconStandard icon) {
+        this.icon = icon;
+    }
 
 	public boolean allowAddEntryIfIsRoot() {
 		return false;
 	}
 
+	
 	public void touch(boolean modified, boolean touchParents) {
-		Date now = new Date();
+		PwDate now = new PwDate();
 		setLastAccessTime(now);
 		
 		if (modified) {
@@ -299,7 +333,8 @@ public abstract class PwGroup extends PwNode {
             if (object1.equals(object2))
                 return 0;
 
-            int groupCreationComp = object1.getCreationTime().compareTo(object2.getCreationTime());
+            int groupCreationComp = object1.getCreationTime().getDate()
+					.compareTo(object2.getCreationTime().getDate());
             // If same creation, can be different
             if (groupCreationComp == 0) {
                 return object1.hashCode() - object2.hashCode();

app/src/main/java/com/keepassdroid/database/PwGroupV3.java

@@ -1,15 +1,5 @@
 /*
  * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
-
-This file was derived from
-
-Copyright 2007 Naomaru Itoi <nao@phoneid.org>
-
-This file was derived from 
-
-Java clone of KeePass - A KeePass file viewer for Java
-Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
-
  *     
  * This file is part of KeePass DX.
  *
@@ -30,15 +20,6 @@ Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
 
 package com.keepassdroid.database;
 
-import android.content.Intent;
-import android.os.Bundle;
-
-import com.keepassdroid.utils.Types;
-
-import java.util.Calendar;
-import java.util.Date;
-import java.util.List;
-
 /**
  * @author Brian Pellin <bpellin@gmail.com>
  * @author Naomaru Itoi <nao@phoneid.org>
@@ -47,39 +28,43 @@ import java.util.List;
  */
 public class PwGroupV3 extends PwGroup {
 
-	public String toString() {
+    // TODO Same as PwEntryV3
-		return name;
-	}
-
-	public static final Date NEVER_EXPIRE = PwEntryV3.NEVER_EXPIRE;
-	
-	/** Size of byte buffer needed to hold this struct. */
-	public static final int BUF_SIZE = 124;
-
 	// for tree traversing
-	public PwGroupV3 parent = null;
+	private PwGroupV3 parent = null;
+	private int groupId;
 
-	public int groupId;
+	private int level = 0; // short
-
-	public PwDate tCreation;
-	public PwDate tLastMod;
-	public PwDate tLastAccess;
-	public PwDate tExpire;
-
-	public int level; // short
 
 	/** Used by KeePass internally, don't use */
-	public int flags;
+	private int flags;
-	
-	public void setGroups(List<PwGroup> groups) {
-		childGroups = groups;
-	}
 	
 	@Override
 	public PwGroup getParent() {
 		return parent;
 	}
 
+    @Override
+    public void setParent(PwGroup prt) {
+        parent = (PwGroupV3) prt;
+        level = parent.getLevel() + 1;
+    }
+
+    public int getGroupId() {
+        return groupId;
+    }
+
+    public void setGroupId(int groupId) {
+        this.groupId = groupId;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+    public void setLevel(int level) {
+        this.level = level;
+    }
+
 	@Override
 	public PwGroupId getId() {
 		return new PwGroupIdV3(groupId);
@@ -91,35 +76,6 @@ public class PwGroupV3 extends PwGroup {
 		groupId = id3.getId();
 	}
 	
-	@Override
-	public String getName() {
-		return name;
-	}
-
-	@Override
-	public Date getLastMod() {
-		return tLastMod.getJDate();
-	}
-
-	@Override
-	public void setParent(PwGroup prt) {
-		parent = (PwGroupV3) prt;
-		level = parent.level + 1;
-		
-	}
-
-	@Override
-	public void initNewGroup(String nm, PwGroupId newId) {
-		super.initNewGroup(nm, newId);
-		
-		Date now = Calendar.getInstance().getTime();
-		tCreation = new PwDate(now);
-		tLastAccess = new PwDate(now);
-		tLastMod = new PwDate(now);
-		tExpire = new PwDate(PwGroupV3.NEVER_EXPIRE);
-
-	}
-	
 	public void populateBlankFields(PwDatabaseV3 db) {
 		if (icon == null) {
 			icon = db.iconFactory.getIcon(1);
@@ -128,39 +84,18 @@ public class PwGroupV3 extends PwGroup {
 		if (name == null) {
 			name = "";
 		}
-		
-		if (tCreation == null) {
-			tCreation = PwEntryV3.DEFAULT_PWDATE;
 	}
 
-		if (tLastMod == null) {
+	public int getFlags() {
-			tLastMod = PwEntryV3.DEFAULT_PWDATE;
+	    return flags;
     }
 
-		if (tLastAccess == null) {
+    public void setFlags(int flags) {
-			tLastAccess = PwEntryV3.DEFAULT_PWDATE;
+	    this.flags = flags;
-		}
-		
-		if (tExpire == null) {
-			tExpire = PwEntryV3.DEFAULT_PWDATE;
-		}
     }
 
 	@Override
-	public void setLastAccessTime(Date date) {
+    public String toString() {
-		tLastAccess = new PwDate(date);
+        return getName();
-	}
-
-	@Override
-	public void setLastModificationTime(Date date) {
-		tLastMod = new PwDate(date);
-	}
-
-	@Override
-	public Date getCreationTime() {
-	    if(tCreation != null)
-		    return tCreation.getJDate();
-	    else
-	        return new Date();
     }
 }

app/src/main/java/com/keepassdroid/database/PwGroupV4.java

@@ -19,7 +19,6 @@
  */
 package com.keepassdroid.database;
 
-import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -27,7 +26,6 @@ import java.util.UUID;
 
 public class PwGroupV4 extends PwGroup implements ITimeLogger {
 
-	//public static final int FOLDER_ICON = 48;
 	public static final boolean DEFAULT_SEARCHING_ENABLED = true;
 	
 	public PwGroupV4 parent = null;
@@ -39,26 +37,19 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
 	public Boolean enableAutoType = null;
 	public Boolean enableSearching = null;
 	public UUID lastTopVisibleEntry = PwDatabaseV4.UUID_ZERO;
-	private Date parentGroupLastMod = PwDatabaseV4.DEFAULT_NOW;
+	private PwDate parentGroupLastMod = new PwDate();
-	private Date creation = PwDatabaseV4.DEFAULT_NOW;
+
-	private Date lastMod = PwDatabaseV4.DEFAULT_NOW;
-	private Date lastAccess = PwDatabaseV4.DEFAULT_NOW;
-	private Date expireDate = PwDatabaseV4.DEFAULT_NOW;
 	private boolean expires = false;
 	private long usageCount = 0;
-	public Map<String, String> customData = new HashMap<String, String>();
+	public Map<String, String> customData = new HashMap<>();
 
 	public PwGroupV4() {}
 	
-	public PwGroupV4(boolean createUUID, boolean setTimes, String name, PwIconStandard icon) {
+	public PwGroupV4(boolean createUUID, String name, PwIconStandard icon) {
 		if (createUUID) {
 			uuid = UUID.randomUUID();
 		}
 		
-		if (setTimes) {
-			creation = lastMod = lastAccess = new Date();
-		}
-		
 		this.name = name;
 		this.icon = icon;
 	}
@@ -67,7 +58,7 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
     public void initNewGroup(String nm, PwGroupId newId) {
         super.initNewGroup(nm, newId);
 
-        lastAccess = lastMod = creation = parentGroupLastMod = new Date();
+        parentGroupLastMod = new PwDate();
     }
 
 	public void AddGroup(PwGroupV4 subGroup, boolean takeOwnership) {
@@ -81,7 +72,7 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
 		
 		if ( takeOwnership ) subGroup.parent = this;
 		
-		if ( updateLocationChanged ) subGroup.parentGroupLastMod = new Date(System.currentTimeMillis());
+		if ( updateLocationChanged ) subGroup.parentGroupLastMod = new PwDate(System.currentTimeMillis());
 		
 	}
 	
@@ -96,7 +87,7 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
 		
 		if ( takeOwnership ) pe.parent = this;
 		
-		if ( updateLocationChanged ) pe.setLocationChanged(new Date(System.currentTimeMillis()));
+		if ( updateLocationChanged ) pe.setLocationChanged(new PwDate(System.currentTimeMillis()));
 	}
 	
 	@Override
@@ -138,69 +129,31 @@ public class PwGroupV4 extends PwGroup implements ITimeLogger {
 	}
 
 	@Override
-	public String getName() {
+	public PwDate getLocationChanged() {
-		return name;
+		return parentGroupLastMod;
 	}
 
 	@Override
-	public Date getLastMod() {
+	public void setLocationChanged(PwDate date) {
-		return parentGroupLastMod;
+		parentGroupLastMod = date;
-	}
-
-	public Date getCreationTime() {
-		return creation;
-	}
-
-	public Date getExpiryTime() {
-		return expireDate;
-	}
-
-	public Date getLastAccessTime() {
-		return lastAccess;
-	}
-
-	public Date getLastModificationTime() {
-		return lastMod;
-	}
-
-	public Date getLocationChanged() {
-		return parentGroupLastMod;
 	}
 
+    @Override
     public long getUsageCount() {
         return usageCount;
     }
 
-	public void setCreationTime(Date date) {
-		creation = date;
-	}
-
-	public void setExpiryTime(Date date) {
-		expireDate = date;
-	}
-
 	@Override
-	public void setLastAccessTime(Date date) {
-		lastAccess = date;
-	}
-
-	@Override
-	public void setLastModificationTime(Date date) {
-		lastMod = date;
-	}
-
-	public void setLocationChanged(Date date) {
-		parentGroupLastMod = date;
-	}
-
 	public void setUsageCount(long count) {
 		usageCount = count;
 	}
 
+	@Override
 	public boolean expires() {
 		return expires;
 	}
 
+	@Override
 	public void setExpires(boolean exp) {
 		expires = exp;
 	}

app/src/main/java/com/keepassdroid/database/PwIcon.java

@@ -7,8 +7,4 @@ public abstract class PwIcon implements Serializable {
 	public boolean isMetaStreamIcon() {
 		return false;
 	}
-	
-	public void writeBytes() {
-	}
-	
 }

app/src/main/java/com/keepassdroid/database/PwNode.java

@@ -23,11 +23,19 @@ package com.keepassdroid.database;
 import java.io.Serializable;
 import java.util.Date;
 
+import static com.keepassdroid.database.PwDate.NEVER_EXPIRE;
+import static com.keepassdroid.database.PwDate.PW_NEVER_EXPIRE;
+
 /**
  * Abstract class who manage Groups and Entries
  */
 public abstract class PwNode implements Serializable {
 
+    private PwDate creation = new PwDate();
+    private PwDate lastMod = new PwDate();
+    private PwDate lastAccess = new PwDate();
+    private PwDate expireDate = new PwDate(NEVER_EXPIRE);
+
     /**
      * Type of available Nodes
      */
@@ -50,11 +58,6 @@ public abstract class PwNode implements Serializable {
      */
     public abstract PwIcon getIcon();
 
-    /**
-     * @return Creation date and time of the node
-     */
-    public abstract Date getCreationTime();
-
     /**
      * Retrieve the parent node
      * @return PwGroup parent as group
@@ -85,4 +88,53 @@ public abstract class PwNode implements Serializable {
     boolean isSameType(PwNode otherNode) {
         return getType() != null ? getType().equals(otherNode.getType()) : otherNode.getType() == null;
     }
+
+    public void assign(PwNode source) {
+        this.creation = source.creation;
+        this.lastMod = source.lastMod;
+        this.lastAccess = source.lastAccess;
+        this.expireDate = source.expireDate;
+    }
+
+    public PwDate getCreationTime() {
+        return creation;
+    }
+
+    public void setCreationTime(PwDate date) {
+        creation = date;
+    }
+
+    public PwDate getLastModificationTime() {
+        return lastMod;
+    }
+
+    public void setLastModificationTime(PwDate date) {
+        lastMod = date;
+    }
+
+    public PwDate getLastAccessTime() {
+        return lastAccess;
+    }
+
+    public void setLastAccessTime(PwDate date) {
+        lastAccess = date;
+    }
+
+    public PwDate getExpiryTime() {
+        return expireDate;
+    }
+
+    public void setExpiryTime(PwDate date) {
+        expireDate = date;
+    }
+
+    public void setExpires(boolean expires) {
+        if (!expires) {
+            expireDate = PW_NEVER_EXPIRE;
+        }
+    }
+
+    public boolean expires() {
+        return ! PwDate.IsSameDate(NEVER_EXPIRE, expireDate.getDate());
+    }
 }

app/src/main/java/com/keepassdroid/database/SortNodeEnum.java

@@ -164,8 +164,8 @@ public enum SortNodeEnum {
                     return -1;
                 }
             }
-            int nodeCreationComp = object1.getCreationTime()
+            int nodeCreationComp = object1.getCreationTime().getDate()
-                    .compareTo(object2.getCreationTime());
+                    .compareTo(object2.getCreationTime().getDate());
             // If same creation, can be different
             if (nodeCreationComp == 0) {
                 return object1.hashCode() - object2.hashCode();

app/src/main/java/com/keepassdroid/database/edit/AddGroup.java

@@ -56,7 +56,7 @@ public class AddGroup extends RunnableOnFinish {
 		// Generate new group
 		mGroup = pm.createGroup();
 		mGroup.initNewGroup(mName, pm.newGroupId());
-		mGroup.icon = mDb.pm.iconFactory.getIcon(mIconID);
+		mGroup.setIcon(mDb.pm.iconFactory.getIcon(mIconID));
 		pm.addGroupTo(mGroup, mParent);
 
 		// Commit to disk

app/src/main/java/com/keepassdroid/database/edit/DeleteGroup.java

@@ -72,14 +72,14 @@ public class DeleteGroup extends RunnableOnFinish {
         else {
             // TODO tests
             // Remove child entries
-            List<PwEntry> childEnt = new ArrayList<>(mGroup.childEntries);
+            List<PwEntry> childEnt = new ArrayList<>(mGroup.getChildEntries());
             for ( int i = 0; i < childEnt.size(); i++ ) {
                 DeleteEntry task = new DeleteEntry(mContext, mDb, childEnt.get(i), null, true);
                 task.run();
             }
 
             // Remove child groups
-            List<PwGroup> childGrp = new ArrayList<>(mGroup.childGroups);
+            List<PwGroup> childGrp = new ArrayList<>(mGroup.getChildGroups());
             for ( int i = 0; i < childGrp.size(); i++ ) {
                 DeleteGroup task = new DeleteGroup(mContext, mDb, childGrp.get(i), null, true);
                 task.run();

app/src/main/java/com/keepassdroid/database/load/ImporterV3.java

@@ -340,31 +340,31 @@ public class ImporterV3 extends Importer {
 			// Ignore field
 			break;
 		case 0x0001 :
-			grp.groupId = LEDataInputStream.readInt(buf, offset);
+			grp.setGroupId(LEDataInputStream.readInt(buf, offset));
 			break;
 		case 0x0002 :
-			grp.name = Types.readCString(buf, offset);
+			grp.setName(Types.readCString(buf, offset));
 			break;
 		case 0x0003 :
-			grp.tCreation = new PwDate(buf, offset);
+			grp.setCreationTime(new PwDate(buf, offset));
 			break;
 		case 0x0004 :
-			grp.tLastMod = new PwDate(buf, offset);
+			grp.setLastModificationTime(new PwDate(buf, offset));
 			break;
 		case 0x0005 :
-			grp.tLastAccess = new PwDate(buf, offset);
+			grp.setLastAccessTime(new PwDate(buf, offset));
 			break;
 		case 0x0006 :
-			grp.tExpire = new PwDate(buf, offset);
+			grp.setExpiryTime(new PwDate(buf, offset));
 			break;
 		case 0x0007 :
-			grp.icon = db.iconFactory.getIcon(LEDataInputStream.readInt(buf, offset));
+			grp.setIcon(db.iconFactory.getIcon(LEDataInputStream.readInt(buf, offset)));
 			break;
 		case 0x0008 :
-			grp.level = LEDataInputStream.readUShort(buf, offset);
+			grp.setLevel(LEDataInputStream.readUShort(buf, offset));
 			break;
 		case 0x0009 :
-			grp.flags = LEDataInputStream.readInt(buf, offset);
+			grp.setFlags(LEDataInputStream.readInt(buf, offset));
 			break;
 		}
 	}
@@ -387,7 +387,7 @@ public class ImporterV3 extends Importer {
 			ent.setUUID(Types.bytestoUUID(buf, offset));
 			break;
 		case 0x0002 :
-			ent.groupId = LEDataInputStream.readInt(buf, offset);
+			ent.setGroupId(LEDataInputStream.readInt(buf, offset));
 			break;
 		case 0x0003 :
 			int iconId = LEDataInputStream.readInt(buf, offset);
@@ -400,34 +400,34 @@ public class ImporterV3 extends Importer {
 			ent.icon = db.iconFactory.getIcon(iconId);
 			break;
 		case 0x0004 :
-			ent.title = Types.readCString(buf, offset); 
+			ent.setTitle(Types.readCString(buf, offset));
 			break;
 		case 0x0005 :
-			ent.url = Types.readCString(buf, offset);
+			ent.setUrl(Types.readCString(buf, offset));
 			break;
 		case 0x0006 :
-			ent.username = Types.readCString(buf, offset);
+			ent.setUsername(Types.readCString(buf, offset));
 			break;
 		case 0x0007 :
 			ent.setPassword(buf, offset, Types.strlen(buf, offset));
 			break;
 		case 0x0008 :
-			ent.additional = Types.readCString(buf, offset);
+			ent.setNotes(Types.readCString(buf, offset));
 			break;
 		case 0x0009 :
-			ent.tCreation = new PwDate(buf, offset);
+			ent.setCreationTime(new PwDate(buf, offset));
 			break;
 		case 0x000A :
-			ent.tLastMod = new PwDate(buf, offset);
+			ent.setLastModificationTime(new PwDate(buf, offset));
 			break;
 		case 0x000B :
-			ent.tLastAccess = new PwDate(buf, offset);
+			ent.setLastAccessTime(new PwDate(buf, offset));
 			break;
 		case 0x000C :
-			ent.tExpire = new PwDate(buf, offset);
+			ent.setExpiryTime(new PwDate(buf, offset));
 			break;
 		case 0x000D :
-			ent.binaryDesc = Types.readCString(buf, offset);
+			ent.setBinaryDesc(Types.readCString(buf, offset));
 			break;
 		case 0x000E :
 			ent.setBinaryData(buf, offset, fieldSize);

app/src/main/java/com/keepassdroid/database/load/ImporterV4.java

@@ -46,6 +46,7 @@ import org.xmlpull.v1.XmlPullParserFactory;
 
 import biz.source_code.base64Coder.Base64Coder;
 
+import com.keepassdroid.database.PwDate;
 import com.keepassdroid.tasks.UpdateStatus;
 import com.keepassdroid.crypto.CipherFactory;
 import com.keepassdroid.crypto.PwStreamCipherFactory;
@@ -559,11 +560,11 @@ public class ImporterV4 extends Importer {
 			if ( name.equalsIgnoreCase(ElemUuid) ) {
 				ctxGroup.uuid = ReadUuid(xpp);
 			} else if ( name.equalsIgnoreCase(ElemName) ) {
-				ctxGroup.name = ReadString(xpp);
+				ctxGroup.setName(ReadString(xpp));
 			} else if ( name.equalsIgnoreCase(ElemNotes) ) {
 				ctxGroup.notes = ReadString(xpp);
 			} else if ( name.equalsIgnoreCase(ElemIcon) ) {
-				ctxGroup.icon = db.iconFactory.getIcon((int)ReadUInt(xpp, 0));
+				ctxGroup.setIcon(db.iconFactory.getIcon((int)ReadUInt(xpp, 0)));
 			} else if ( name.equalsIgnoreCase(ElemCustomIconID) ) {
 				ctxGroup.customIcon = db.iconFactory.getIcon(ReadUuid(xpp));
 			} else if ( name.equalsIgnoreCase(ElemTimes) ) {
@@ -679,19 +680,19 @@ public class ImporterV4 extends Importer {
 			}
 			
 			if ( name.equalsIgnoreCase(ElemLastModTime) ) {
-				tl.setLastModificationTime(ReadTime(xpp));
+				tl.setLastModificationTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemCreationTime) ) {
-				tl.setCreationTime(ReadTime(xpp));
+				tl.setCreationTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemLastAccessTime) ) {
-				tl.setLastAccessTime(ReadTime(xpp));
+				tl.setLastAccessTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemExpiryTime) ) {
-				tl.setExpiryTime(ReadTime(xpp));
+				tl.setExpiryTime(ReadPwTime(xpp));
 			} else if ( name.equalsIgnoreCase(ElemExpires) ) {
 				tl.setExpires(ReadBool(xpp, false));
 			} else if ( name.equalsIgnoreCase(ElemUsageCount) ) {
 				tl.setUsageCount(ReadULong(xpp, 0));
 			} else if ( name.equalsIgnoreCase(ElemLocationChanged) ) {
-				tl.setLocationChanged(ReadTime(xpp));
+				tl.setLocationChanged(ReadPwTime(xpp));
 			} else {
 				ReadUnknown(xpp);
 			}
@@ -849,8 +850,8 @@ public class ImporterV4 extends Importer {
 			return KdbContext.GroupCustomData;
 
 		} else if ( ctx == KdbContext.Entry && name.equalsIgnoreCase(ElemEntry) ) {
-			if ( ctxEntry.uuid == null || ctxEntry.uuid.equals(PwDatabaseV4.UUID_ZERO) ) {
+			if ( ctxEntry.getUUID() == null || ctxEntry.getUUID().equals(PwDatabaseV4.UUID_ZERO) ) {
-				ctxEntry.uuid = UUID.randomUUID();
+				ctxEntry.setUUID(UUID.randomUUID());
 			}
 			
 			if ( entryInHistory ) {
@@ -913,6 +914,10 @@ public class ImporterV4 extends Importer {
 		}
 	}
 
+	private PwDate ReadPwTime(XmlPullParser xpp) throws IOException, XmlPullParserException {
+		return new PwDate(ReadTime(xpp));
+	}
+	
 	private Date ReadTime(XmlPullParser xpp) throws IOException, XmlPullParserException {
 		String sDate = ReadString(xpp);
 		Date utcDate = null;

app/src/main/java/com/keepassdroid/database/save/PwDbV3Output.java

@@ -261,7 +261,7 @@ public class PwDbV3Output extends PwDbOutput {
 		
 		// Recurse over children
 		for ( int i = 0; i < group.numbersOfChildGroups(); i++ ) {
-			sortGroup((PwGroupV3) group.childGroups.get(i), groupList);
+			sortGroup((PwGroupV3) group.getChildGroupAt(i), groupList);
 		}
 	}
 	

app/src/main/java/com/keepassdroid/database/save/PwDbV4Output.java

@@ -435,9 +435,9 @@ public class PwDbV4Output extends PwDbOutput {
 	private void startGroup(PwGroupV4 group) throws IllegalArgumentException, IllegalStateException, IOException {
 		xml.startTag(null, ElemGroup);
 		writeObject(ElemUuid, group.uuid);
-		writeObject(ElemName, group.name);
+		writeObject(ElemName, group.getName());
 		writeObject(ElemNotes, group.notes);
-		writeObject(ElemIcon, group.icon.iconId);
+		writeObject(ElemIcon, group.getIconStandard().iconId);
 		
 		if (!group.customIcon.equals(PwIconCustom.ZERO)) {
 			writeObject(ElemCustomIconID, group.customIcon.uuid);
@@ -461,7 +461,7 @@ public class PwDbV4Output extends PwDbOutput {
 		
 		xml.startTag(null, ElemEntry);
 		
-		writeObject(ElemUuid, entry.uuid);
+		writeObject(ElemUuid, entry.getUUID());
 		writeObject(ElemIcon, entry.icon.iconId);
 		
 		if (!entry.customIcon.equals(PwIconCustom.ZERO)) {
@@ -755,13 +755,13 @@ public class PwDbV4Output extends PwDbOutput {
 		
 		xml.startTag(null, name);
 		
-		writeObject(ElemLastModTime, it.getLastModificationTime());
+		writeObject(ElemLastModTime, it.getLastModificationTime().getDate());
-		writeObject(ElemCreationTime, it.getCreationTime());
+		writeObject(ElemCreationTime, it.getCreationTime().getDate());
-		writeObject(ElemLastAccessTime, it.getLastAccessTime());
+		writeObject(ElemLastAccessTime, it.getLastAccessTime().getDate());
-		writeObject(ElemExpiryTime, it.getExpiryTime());
+		writeObject(ElemExpiryTime, it.getExpiryTime().getDate());
 		writeObject(ElemExpires, it.expires());
 		writeObject(ElemUsageCount, it.getUsageCount());
-		writeObject(ElemLocationChanged, it.getLocationChanged());
+		writeObject(ElemLocationChanged, it.getLocationChanged().getDate());
 		
 		xml.endTag(null, name);
 	}

app/src/main/java/com/keepassdroid/database/save/PwEntryOutputV3.java

@@ -79,7 +79,7 @@ public class PwEntryOutputV3 {
 		// Group ID
 		mOS.write(GROUPID_FIELD_TYPE);
 		mOS.write(LONG_FOUR);
-		mOS.write(LEDataOutputStream.writeIntBuf(mPE.groupId));
+		mOS.write(LEDataOutputStream.writeIntBuf(mPE.getGroupId()));
 		
 		// Image ID
 		mOS.write(IMAGEID_FIELD_TYPE);
@@ -89,17 +89,17 @@ public class PwEntryOutputV3 {
 		// Title
 		//byte[] title = mPE.title.getBytes("UTF-8");
 		mOS.write(TITLE_FIELD_TYPE);
-		int titleLen = Types.writeCString(mPE.title, mOS);
+		int titleLen = Types.writeCString(mPE.getTitle(), mOS);
 		outputBytes += titleLen;
 
 		// URL
 		mOS.write(URL_FIELD_TYPE);
-		int urlLen = Types.writeCString(mPE.url, mOS);
+		int urlLen = Types.writeCString(mPE.getUrl(), mOS);
 		outputBytes += urlLen;
 		
 		// Username
 		mOS.write(USERNAME_FIELD_TYPE);
-		int userLen = Types.writeCString(mPE.username, mOS);
+		int userLen = Types.writeCString(mPE.getUsername(), mOS);
 		outputBytes += userLen;
 		
 		// Password
@@ -112,24 +112,24 @@ public class PwEntryOutputV3 {
 
 		// Additional
 		mOS.write(ADDITIONAL_FIELD_TYPE);
-		int addlLen = Types.writeCString(mPE.additional, mOS);
+		int addlLen = Types.writeCString(mPE.getNotes(), mOS);
 		outputBytes += addlLen;
 
 		// Create date
-		writeDate(CREATE_FIELD_TYPE, mPE.tCreation.getCDate());
+		writeDate(CREATE_FIELD_TYPE, mPE.getCreationTime().getCDate());
 		
 		// Modification date
-		writeDate(MOD_FIELD_TYPE, mPE.tLastMod.getCDate());
+		writeDate(MOD_FIELD_TYPE, mPE.getLastModificationTime().getCDate());
 
 		// Access date
-		writeDate(ACCESS_FIELD_TYPE, mPE.tLastAccess.getCDate());
+		writeDate(ACCESS_FIELD_TYPE, mPE.getLastAccessTime().getCDate());
 
 		// Expiration date
-		writeDate(EXPIRE_FIELD_TYPE, mPE.tExpire.getCDate());
+		writeDate(EXPIRE_FIELD_TYPE, mPE.getExpiryTime().getCDate());
 	
 		// Binary desc
 		mOS.write(BINARY_DESC_FIELD_TYPE);
-		int descLen = Types.writeCString(mPE.binaryDesc, mOS);
+		int descLen = Types.writeCString(mPE.getBinaryDesc(), mOS);
 		outputBytes += descLen;
 	
 		// Binary data

app/src/main/java/com/keepassdroid/database/save/PwGroupOutputV3.java

@@ -65,46 +65,46 @@ public class PwGroupOutputV3 {
 		// Group ID
 		mOS.write(GROUPID_FIELD_TYPE);
 		mOS.write(GROUPID_FIELD_SIZE);
-		mOS.write(LEDataOutputStream.writeIntBuf(mPG.groupId));
+		mOS.write(LEDataOutputStream.writeIntBuf(mPG.getGroupId()));
 		
 		// Name
 		mOS.write(NAME_FIELD_TYPE);
-		Types.writeCString(mPG.name, mOS);
+		Types.writeCString(mPG.getName(), mOS);
 
 		// Create date
 		mOS.write(CREATE_FIELD_TYPE);
 		mOS.write(DATE_FIELD_SIZE);
-		mOS.write(mPG.tCreation.getCDate());
+		mOS.write(mPG.getCreationTime().getCDate());
 		
 		// Modification date
 		mOS.write(MOD_FIELD_TYPE);
 		mOS.write(DATE_FIELD_SIZE);
-		mOS.write(mPG.tLastMod.getCDate());
+		mOS.write(mPG.getLastModificationTime().getCDate());
 		
 		// Access date
 		mOS.write(ACCESS_FIELD_TYPE);
 		mOS.write(DATE_FIELD_SIZE);
-		mOS.write(mPG.tLastAccess.getCDate());
+		mOS.write(mPG.getLastAccessTime().getCDate());
 		
 		// Expiration date
 		mOS.write(EXPIRE_FIELD_TYPE);
 		mOS.write(DATE_FIELD_SIZE);
-		mOS.write(mPG.tExpire.getCDate());
+		mOS.write(mPG.getExpiryTime().getCDate());
 		
 		// Image ID
 		mOS.write(IMAGEID_FIELD_TYPE);
 		mOS.write(IMAGEID_FIELD_SIZE);
-		mOS.write(LEDataOutputStream.writeIntBuf(mPG.icon.iconId));
+		mOS.write(LEDataOutputStream.writeIntBuf(mPG.getIconStandard().iconId));
 		
 		// Level
 		mOS.write(LEVEL_FIELD_TYPE);
 		mOS.write(LEVEL_FIELD_SIZE);
-		mOS.write(LEDataOutputStream.writeUShortBuf(mPG.level));
+		mOS.write(LEDataOutputStream.writeUShortBuf(mPG.getLevel()));
 		
 		// Flags
 		mOS.write(FLAGS_FIELD_TYPE);
 		mOS.write(FLAGS_FIELD_SIZE);
-		mOS.write(LEDataOutputStream.writeIntBuf(mPG.flags));
+		mOS.write(LEDataOutputStream.writeIntBuf(mPG.getFlags()));
 
 		// End
 		mOS.write(END_FIELD_TYPE);

app/src/main/java/com/keepassdroid/search/SearchDbHelper.java

@@ -66,8 +66,8 @@ public class SearchDbHelper {
 			Log.d("SearchDbHelper", "Tried to search with unknown db");
 			return null;
 		}
-		group.name = mCtx.getString(R.string.search_results);
+		group.setName(mCtx.getString(R.string.search_results));
-		group.childEntries = new ArrayList<PwEntry>();
+		group.setEntries(new ArrayList<>());
 		
 		// Search all entries
 		Locale loc = Locale.getDefault();
@@ -83,11 +83,11 @@ public class SearchDbHelper {
 			PwGroup top = worklist.remove();
 			
 			if (pm.isGroupSearchable(top, isOmitBackup)) {
-				for (PwEntry entry : top.childEntries) {
+				for (PwEntry entry : top.getChildEntries()) {
-					processEntries(entry, group.childEntries, qStr, loc);
+					processEntries(entry, group.getChildEntries(), qStr, loc);
 				}
 				
-				for (PwGroup childGroup : top.childGroups) {
+				for (PwGroup childGroup : top.getChildGroups()) {
 					if (childGroup != null) {
 						worklist.add(childGroup);
 					}

app/src/main/java/com/keepassdroid/utils/EmptyUtils.java

@@ -22,7 +22,8 @@ package com.keepassdroid.utils;
 import android.net.Uri;
 
 import com.keepassdroid.database.PwDate;
-import com.keepassdroid.database.PwEntryV3;
+
+import static com.keepassdroid.database.PwDate.DEFAULT_PWDATE;
 
 public class EmptyUtils {
 	public static boolean isNullOrEmpty(String str) {
@@ -34,7 +35,7 @@ public class EmptyUtils {
 	}
 	
 	public static boolean isNullOrEmpty(PwDate date) {
-		return (date == null) || date.equals(PwEntryV3.DEFAULT_PWDATE);
+		return (date == null) || date.equals(DEFAULT_PWDATE);
 	}
 
 	public static boolean isNullOrEmpty(Uri uri) {

app/src/main/java/com/keepassdroid/utils/SprEngine.java

@@ -1,44 +0,0 @@
-/*
- * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft.
- *     
- * This file is part of KeePass DX.
- *
- *  KeePass DX is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  KeePass DX is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with KeePass DX.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.keepassdroid.utils;
-
-import com.keepassdroid.database.PwDatabase;
-import com.keepassdroid.database.PwDatabaseV4;
-import com.keepassdroid.database.PwEntry;
-
-public class SprEngine {
-	
-	private static SprEngineV4 sprV4 = new SprEngineV4();
-	private static SprEngine spr = new SprEngine();
-	
-	public static SprEngine getInstance(PwDatabase db) {
-		if (db instanceof PwDatabaseV4) {
-            return sprV4;
-		} 
-		else {
-            return spr;
-		}
-	}
-	
-	public String compile(String text, PwEntry entry, PwDatabase database) {
-		return text;
-	}
-
-}

app/src/main/java/com/keepassdroid/utils/SprEngineV4.java

@@ -30,7 +30,7 @@ import com.keepassdroid.database.PwEntry;
 import com.keepassdroid.database.PwEntryV4;
 import com.keepassdroid.database.SearchParametersV4;
 
-public class SprEngineV4 extends SprEngine {
+public class SprEngineV4 {
 	private final int MAX_RECURSION_DEPTH = 12;
 	private final String STR_REF_START = "{REF:";
 	private final String STR_REF_END = "}";
@@ -45,7 +45,6 @@ public class SprEngineV4 extends SprEngine {
 		}
 	}
 
-	@Override
 	public String compile(String text, PwEntry entry, PwDatabase database) {
 		SprContextV4 ctx = new SprContextV4((PwDatabaseV4)database, (PwEntryV4)entry);